11321222021693 has 2 divisors, whose sum is σ = 11321222021694. Its totient is φ = 11321222021692.

The previous prime is 11321222021671. The next prime is 11321222021699. The reversal of 11321222021693 is 39612022212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9677344170649 + 1643877851044 = 3110843^2 + 1282138^2 .

It is an emirp because it is prime and its reverse (39612022212311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11321222021693 - 2¹² = 11321222017597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321222021699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660611010846 + 5660611010847.

It is an arithmetic number, because the mean of its divisors is an integer number (5660611010847).

Almost surely, 2^{11321222021693} is an apocalyptic number.

It is an amenable number.

11321222021693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321222021693 is an equidigital number, since it uses as much as digits as its factorization.

11321222021693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 11321222021693 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, six hundred ninety-three".